## Optical constants of K (Potassium)

Monin and Boutry 1974: n,k 0.254–0.620 µm; 195 K

Wavelength:
µm

(0.2536–0.6200)

### Complex refractive index (*n+ik)*

n
k
LogX
LogY
eV

### Derived optical constants

### Conditions & Spec sheet

temperature: 195 K

### Comments

195 K (-78.15 °C)

### References

J. Monin and G.-A. Boutry. Optical and photoelectric properties of alkali metals, *Phys. Rev. B* **9**, 1309-1327 (1974)